急!数学题 方程解答为确保汶川灾区唐家山堰塞湖下游群众安全,需开挖一泄洪糟,经专家测算,抢救部队计划用10天挖土石13.55万方,施工一天后,考虑到天气等不可预测因素,为确保万无一失,增加
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![急!数学题 方程解答为确保汶川灾区唐家山堰塞湖下游群众安全,需开挖一泄洪糟,经专家测算,抢救部队计划用10天挖土石13.55万方,施工一天后,考虑到天气等不可预测因素,为确保万无一失,增加](/uploads/image/z/663998-14-8.jpg?t=%E6%80%A5%21%E6%95%B0%E5%AD%A6%E9%A2%98+%E6%96%B9%E7%A8%8B%E8%A7%A3%E7%AD%94%E4%B8%BA%E7%A1%AE%E4%BF%9D%E6%B1%B6%E5%B7%9D%E7%81%BE%E5%8C%BA%E5%94%90%E5%AE%B6%E5%B1%B1%E5%A0%B0%E5%A1%9E%E6%B9%96%E4%B8%8B%E6%B8%B8%E7%BE%A4%E4%BC%97%E5%AE%89%E5%85%A8%2C%E9%9C%80%E5%BC%80%E6%8C%96%E4%B8%80%E6%B3%84%E6%B4%AA%E7%B3%9F%2C%E7%BB%8F%E4%B8%93%E5%AE%B6%E6%B5%8B%E7%AE%97%2C%E6%8A%A2%E6%95%91%E9%83%A8%E9%98%9F%E8%AE%A1%E5%88%92%E7%94%A810%E5%A4%A9%E6%8C%96%E5%9C%9F%E7%9F%B313.55%E4%B8%87%E6%96%B9%2C%E6%96%BD%E5%B7%A5%E4%B8%80%E5%A4%A9%E5%90%8E%2C%E8%80%83%E8%99%91%E5%88%B0%E5%A4%A9%E6%B0%94%E7%AD%89%E4%B8%8D%E5%8F%AF%E9%A2%84%E6%B5%8B%E5%9B%A0%E7%B4%A0%2C%E4%B8%BA%E7%A1%AE%E4%BF%9D%E4%B8%87%E6%97%A0%E4%B8%80%E5%A4%B1%2C%E5%A2%9E%E5%8A%A0)
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